package cn.edu.ctbu.demo2.webapi;


import cn.edu.ctbu.demo2.domain.Student;
import cn.edu.ctbu.demo2.service.StudentService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import java.util.List;

@RestController
@RequestMapping("/webapi/login")
public class LoginRestController {
    @Autowired
    StudentService studentService;

    @GetMapping("/user")
    public int user(HttpServletRequest httpServletRequest,String username,String password){
        //判断用户名和密码是否正确
        List<Student> students=studentService.findByNameAndPassword(username,password);

        if(students.size()>0){
            //如果存在，写入session
            HttpSession session=httpServletRequest.getSession();
            session.setAttribute("userid",students.get(0).getId());
            session.setAttribute("user",students.get(0));
            //成功
            return 1;
        }
        else {
//            如果不存在，返回出错
            return -1;//不存在用户
        }

    }

}
